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Step 5 - Take the First Manual Hit

When you start the calibration procedure for the TP20 Probe Changer, the ports must be emptied of all probes.

You will take the first hit on the front face to the left of the first port. This message prompts you to open the lids and take the first hit:

PC-DMIS Message

Open all lids and remove any probe from port 1.

When ready, please take a hit in the center of the silver front face between ports 1 and 2.

Prompt for the first hit to the left of port 1

1. When you are ready to take the first measurement, click OK.

2. Remove all of the modules and styli by sliding them forward and out of the ports.
   You are prompted through the process of measuring three manual hits through a series of messages. Three hits are required to fully define the orientation of this rack in the machine’s XY plane. It is not necessary to align the rack to any single axis, as the manual hits identify any rotation involved. Follow the prompts and take the needed hits as shown in the pictures for each hit.
   You will take the first manual hit in the XY plane, on the vertical face in the back of port 1.

3. Use your machine's jog box to measure the first hit on the front face to the left of port #1:

Location of first manual hit during TP20 calibration

In the next step, you take the second manual hit.